Plastic bags are made of plastics (commonly used plastics include polyethylene, polypropylene, polyester, nylon, etc.) as the main raw material, and are essential items in people's daily lives and are often used to hold other items. Due to its low cost, light weight, large capacity, and convenience of storage, it is widely used, but it is forbidden for some countries to produce and use plastic bags because of their long degradation cycle and difficult handling.
Since June 1, 2008, China has imposed a plastic limit order: "In the supermarket, shopping malls, bazaars and other commodity retail establishments, a system of paid use of plastic shopping bags should be implemented, and plastic shopping bags must not be provided free of charge nationwide. It is forbidden to produce, sell, and use plastic shopping bags less than 0.025 mm in thickness ". The
In March 2018, the Panamanian government stated that in order to reduce the amount of marine litter in the Pacific and the Caribbean, they decided to ban the use of disposable plastic bags.